Fester

/ˈfɛstər/

Meaning & Definition

verb

to become septic; to generate pus.

If the wound is not treated, it will fester and cause more pain.

to rot or decay.

The forgotten food in the refrigerator began to fester and emit a terrible odor.

to become increasingly more unpleasant or intense.

His resentment towards his coworker began to fester after months of unresolved issues.

Middle English, from Old French 'festr' (to rot, decay).

let it fester

to allow a problem or feeling to develop and worsen over time.

festering

the process of becoming infected or worse over time.

pus

a thick fluid produced in infected tissue.

infection

the invasion of the body by pathogens.

to dwell on negativity or an unresolved issue

Stop festering over that argument; just let it go.

to let feelings of resentment build up

She’s been festering about her job situation for weeks now.